CVE-2021-20653

MEDIUM

NEC CSDJ Firmware - Unauthenticated Historical Data Exposure via Access Restriction Bypass

Title source: llm
STIX 2.1

Description

Calsos CSDJ (CSDJ-B 01.08.00 and earlier, CSDJ-H 01.08.00 and earlier, CSDJ-D 01.08.00 and earlier, and CSDJ-A 03.08.00 and earlier) allows remote attackers to bypass access restriction and to obtain unauthorized historical data without access privileges via unspecified vectors.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://jpn.nec.com/security-info/secinfo/nv21-006.html
Third Party Advisory x_refsource_misc
https://jvn.jp/en/jp/JVN87164507/index.html

Scores

CVSS v3 5.3
EPSS 0.0119
EPSS Percentile 63.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-276
Status published
Products (4)
nec/csdj-a_firmware < 03.08.00
nec/csdj-b_firmware < 01.08.00
nec/csdj-d_firmware < 01.08.00
nec/csdj-h_firmware < 01.08.00
Published Feb 17, 2021
Tracked Since Feb 18, 2026